GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The GeForce RTX 5070 is significantly faster than the GeForce RTX 3080, leading by roughly 31% in our performance index.
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GeForce RTX 5070 vs GeForce RTX 3080: In-Depth Breakdown
Performance: GeForce RTX 5070 vs GeForce RTX 3080
The GeForce RTX 5070 is significantly faster, around 31% ahead of the GeForce RTX 3080. That gap is enough to move it up a tier: the GeForce RTX 5070 is comfortable at 4K with upscaling and native 1440p, while the GeForce RTX 3080 is better matched to 1440p.
Power & Efficiency
The GeForce RTX 5070 draws just 250W versus 320W for the GeForce RTX 3080, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom. Its more modern Blackwell architecture on a TSMC 4N process is part of why it does more with each watt.
VRAM & Future-Proofing
With 12GB against 10GB, the GeForce RTX 5070 has more headroom for 4K textures and memory-hungry creative/AI tasks where the GeForce RTX 3080's 10GB can fall short. The GeForce RTX 3080's memory is also faster — 760 GB/s versus 672 GB/s (320-bit vs 192-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The GeForce RTX 5070 is roughly 5 years newer than the GeForce RTX 3080 (Blackwell vs Ampere), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: GeForce RTX 3080 or GeForce RTX 5070?
The GeForce RTX 5070 is the faster card by about 31%. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.